Watch case



FIG. 1 is a perspective view of a watch case when viewed from the right side, showing my new design;

FIG. 2 is a perspective view when viewed from the left side;

FIG. 3 is rear plan view;

FIG. 4 is a front plan view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a side elevational view when viewed from the right side, showing my new design; and,

FIG. 8 is a side elevational view when viewed from the left side. 

The ornamental design for a watch case, as shown and described. 